This is the description of the vocabulary http://voparis-ns.obspm.fr/rdf/epn/2.0/spectroscopy-geometry-type as of 2025-10-15.
This is the first version of this vocabulary.
This vocabulary is not yet approved by the IVOA. This means that terms can still disappear without prior notice.
A vocabulary for describing the illumination and observation geometry for spectral measurements.
| Term | Label | Description | Parent | More |
|---|---|---|---|---|
| biconical (Preliminary) | Biconical | Conical solid angle illumination, and conical solid angle flux collection. | #conical | |
| bidirectional (Preliminary) | Bidirectional | Directional (collimated) illumination, and directional (collimated) flux collection. | #directional | |
| bihemispherical (Preliminary) | bihemispherical | Hemispherical illumination, and Hemispherical flux collection." | #hemispherical | |
| conical (Preliminary) | Conical | Conical solid angle geometry configuration. | ||
| conical-directional (Preliminary) | Conical-Directional | Conical solid angle illumination, and directional (collimated) flux collection. | #conical, #directional | |
| conical-hemispherical (Preliminary) | Conical-Hemispherical | Conical solid angle illumination, and hemispherical flux collection. | #conical, #hemispherical | |
| direct (Preliminary) | Direct | Direct (therefore in emission). | ||
| directional (Preliminary) | Directional | Directional (collimated) geometry configuration. | ||
| directional-conical (Preliminary) | Directional-Conical | Directional (collimated) illumination, and conical solid angle flux collection. | #conical, #directional | |
| directional-hemispherical (Preliminary) | Directional-Hemispherical | Directional (collimated) illumination, and hemispherical flux collection. | #directional, #hemispherical | |
| hemispherical (Preliminary) | Hemispherical | Hemispherical geometry configuration. | ||
| hemispherical-conical (Preliminary) | Hemispherical-Conical | Hemispherical illumination, and conical solid angle flux collection. | #conical, #hemispherical | |
| hemispherical-directional (Preliminary) | Hemispherical-Directional | Hemispherical illumination, and directional (collimated) flux collection. | #directional, #hemispherical | |
| other-geometry (Preliminary) | Other Geometry | Other types of geometry configuration. | ||
| specular (Preliminary) | Specular | Specular (reflected light). | ||
| unknown (Preliminary) | Unknown | Unknow geometry configuration. |
Alternate formats: RDF, Turtle, desise (non-RDF json).
This vocabulary is made available under CC-0 by the IVOA Semantics Working Group. To learn how to improve and amend this vocabulary, see Vocabularies in the VO 2.